forked from verdnatura/hedera-web
61 lines
1.8 KiB
PHP
61 lines
1.8 KiB
PHP
<?php
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/**
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* Starts a new TPV transaction and returns the params.
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*/
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class Transaction extends Vn\Web\JsonRequest
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{
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const PARAMS = ['amount'];
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function run ($db)
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{
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$amount = (int) $_REQUEST['amount'];
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$companyId = empty ($_REQUEST['company']) ? NULL : $_REQUEST['company'];
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$row = $db->getObject ('CALL transactionStart (#, #)',
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[$amount, $companyId]);
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if (!isset ($row))
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throw new Exception ('Transaction error');
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$transactionId = str_pad ($row->transactionId, 12, '0', STR_PAD_LEFT);
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$urlOk = empty ($_REQUEST['urlOk']) ? '' : sprintf ($_REQUEST['urlOk'], $transactionId);
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$urlKo = empty ($_REQUEST['urlKo']) ? '' : sprintf ($_REQUEST['urlKo'], $transactionId);
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$merchantUrl = $row->merchantUrl ? $row->merchantUrl : '';
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$params = [
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'Ds_Merchant_Amount' => $amount
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,'Ds_Merchant_Order' => $transactionId
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,'Ds_Merchant_MerchantCode' => $row->merchant
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,'Ds_Merchant_Currency' => $row->currency
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,'Ds_Merchant_TransactionType' => $row->transactionType
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,'Ds_Merchant_Terminal' => $row->terminal
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,'Ds_Merchant_MerchantURL' => $merchantUrl
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,'Ds_Merchant_UrlOK' => $urlOk
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,'Ds_Merchant_UrlKO' => $urlKo
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];
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$encodedParams = base64_encode (json_encode ($params));
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$key = base64_decode ($row->secretKey);
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$bytes = [0, 0, 0, 0, 0, 0, 0, 0];
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$iv = implode (array_map ('chr', $bytes));
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$key = mcrypt_encrypt (MCRYPT_3DES, $key, $transactionId, MCRYPT_MODE_CBC, $iv);
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$signature = base64_encode (hash_hmac ('sha256', $encodedParams, $key, TRUE));
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$url = $row->url;
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$postValues = [
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'Ds_SignatureVersion' => 'HMAC_SHA256_V1'
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,'Ds_MerchantParameters' => $encodedParams
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,'Ds_Signature' => $signature
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];
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return [
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'url' => $url
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,'postValues' => $postValues
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];
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}
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}
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